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Doc clarifications for Fl_Image methods:

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> inactive()
	> desaturate()
	> color_average()



git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10725 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Greg Ercolano 2015-04-28 20:51:32 +00:00
parent 8477a8108b
commit 1c7daeca63
2 changed files with 12 additions and 6 deletions
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6
FL/Fl_Image.H
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@ -140,8 +140,10 @@ class FL_EXPORT Fl_Image {
/**
The inactive() method calls
color_average(FL_BACKGROUND_COLOR, 0.33f) to produce
an image that appears grayed out. <I>This method does not
alter the original image data.</I>
an image that appears grayed out.
An internal copy is made of the original image before
changes are applied, to avoid modifying the original image.
*/
void inactive() { color_average(FL_GRAY, .33f); }
virtual void desaturate();

12
src/Fl_Image.cxx
View File

@ -87,8 +87,10 @@ Fl_Image *Fl_Image::copy(int W, int H) {
argument specifies the amount of the original image to combine
with the color, so a value of 1.0 results in no color blend, and
a value of 0.0 results in a constant image of the specified
color. <I>The original image data is not altered by this
method.</I>
color.
An internal copy is made of the original image before
changes are applied, to avoid modifying the original image.
*/
void Fl_Image::color_average(Fl_Color, float) {
}
@ -96,8 +98,10 @@ void Fl_Image::color_average(Fl_Color, float) {
/**
The desaturate() method converts an image to
grayscale. If the image contains an alpha channel (depth = 4),
the alpha channel is preserved. <I>This method does not alter
the original image data.</I>
the alpha channel is preserved.
An internal copy is made of the original image before
changes are applied, to avoid modifying the original image.
*/
void Fl_Image::desaturate() {
}